Home / 682,829.50-942,304.75-376,905.96

Finding the Fourth Proportional to 682,829.50, 942,304.75 and 376,905.96

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Solution

The fourth proportional to 682,829.50, 942,304.75 and 376,905.96 is: 520,130.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,829.50 : 942,304.75 = 376,905.96 : x
  2. Step 2: Convert to fraction form
    682,829.50/942,304.75 = 376,905.96/x
  3. Step 3: Cross multiply
    682,829.50x = 942,304.75 × 376,905.96
  4. Step 4: Simplify right side
    682,829.50x = 355,160,276,411.31
  5. Step 5: Solve for x
    x = 355,160,276,411.31/682,829.50
  6. Step 6: Final answer
    x = 520,130.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.